RENDER_RING_BASE
REG64_IDX(RING_TIMESTAMP, RENDER_RING_BASE),
REG64_IDX(RING_TIMESTAMP, RENDER_RING_BASE),
POSTING_READ_FW(RING_HEAD(RENDER_RING_BASE));
#define GEN6_RVSYNC (RING_SYNC_0(RENDER_RING_BASE))
#define GEN6_RBSYNC (RING_SYNC_1(RENDER_RING_BASE))
#define GEN6_RVESYNC (RING_SYNC_2(RENDER_RING_BASE))
{ .gen = 1, .base = RENDER_RING_BASE }
.offset_ldw = RING_TIMESTAMP(RENDER_RING_BASE),
.offset_udw = RING_TIMESTAMP_UDW(RENDER_RING_BASE),
RING_TAIL(RENDER_RING_BASE), /* 0x2000 (base) */
RING_TAIL(RENDER_RING_BASE), /* 0x2000 (base) */